Answer:
I think its D
Explanation:
I don't know if its right but that's what I think
US plans to make an atomic bomb.
The progressives tried to help children by limitng maximum hours of labor and in establishing a minimum age for children to be allowed to work.
There were also mandatory laws in different states for children to attend school.
The Progressives believe that government should take an active participation to solve the problems in a society like poverty, education, woman and children rights, job opportunities and best conditions for living.
I don't get your question
Answer:
1940s and 50s when when the Veitnam was started
